ทองผุด ส., เสรีรัตน์ บ., บางเขียว พ., & เอี่ยมสะอาด อ. (2019). The Development of Instructional Model Using the First Character Recognition Technique of The Sequence of STAR together with Cooperative Theory to Develop Mathematical Word Problem-Solving Skills for Grade 3 Students. Journal of Humanities and Social Sciences, Rajapruk University, 5(supplement), 43–58. Retrieved from https://so03.tci-thaijo.org/index.php/rpu/article/view/231871